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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 177
Parent subsystem(s): fs (137)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
possible deadlock in lock_two_nondirectories (2) overlayfs ext4 4 C error 8 2h16m 3d11h
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 4d04h 18d
possible deadlock in ext4_map_blocks (3) ext4 prio:low 4 1 24d 20d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 12d 38d PATCH [35d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction ext4 prio:high 5 1 46d 42d
WARNING in jbd2_journal_dirty_metadata (3) ext4 prio:high -1 1 50d 46d
kernel BUG in ext4_ext_map_blocks ext4 prio:high -1 2 96d 98d
KASAN: use-after-free Read in xattr_find_entry (2) ext4 prio:high 19 C error error 3 95d 105d PATCH [58d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 7 60d 116d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 75d 119d 💬 8 [87d]
possible deadlock in wait_transaction_locked (3) ext4 prio:high 4 C error 399 1h22m 159d 💬 1 [105d]
kernel BUG in ext4_mb_normalize_request (2) prio:high ext4 -1 15 72d 162d
possible deadlock in evict (4) prio:high ext4 4 20 10d 193d
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 707 43m 207d
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 4740 now 214d 💬 5 [29d]
possible deadlock in ext4_evict_inode (5) ext4 prio:high 4 C error 480 1d08h 214d
WARNING in ext4_xattr_inode_update_ref (2) ext4 prio:low -1 C error 9563 9m 220d 💬 2 [29d]
WARNING in get_data ext4 prio:high -1 C error 1613 209d 226d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 3d19h 234d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 193 23h06m 236d 💬 6 [178d]
INFO: rcu detected stall in unwind_next_frame (5) ext4 prio:low 1 C error error 51 2d19h 237d
INFO: rcu detected stall in ext4_file_mmap_prepare ext4 prio:high 1 C error 2 29d 264d
possible deadlock in do_writepages (2) ext4 prio:normal 4 C unreliable 763 6h14m 265d
WARNING in ext4_mb_load_buddy_gfp ext4 mm prio:high -1 C 7 100d 266d PATCH [256d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 50d 287d 💬 4 [286d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 64 10d 331d 💬 1 [191d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 33d 342d PATCH [329d]
KASAN: use-after-free Read in ext4_ext_insert_extent prio:high ext4 22 C done error 10 94d 378d 💬 1 [249d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal ext4 mm 1 C error error 3 154d 392d
kernel BUG in ext4_ext_insert_extent (2) ext4 prio:high -1 C done error 38 85d 422d
WARNING in __jbd2_log_wait_for_space ocfs2 ext4 -1 C inconclusive done 6 200d 521d
KASAN: use-after-free Read in ext4_find_extent (4) ext4 prio:high 19 C done error 307 70d 524d PATCH [198d]
INFO: task hung in find_inode_fast (4) ext4 1 C error error 22 20d 532d
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 466 5d11h 561d
divide error in qnx6_mmi_fill_super ext4 prio:high 2 C unreliable inconclusive 7 77d 583d PATCH [581d]
WARNING in ext4_iomap_begin (3) ext4 prio:high -1 C inconclusive 131 24d 584d
possible deadlock in ext4_writepages (2) ext4 prio:high 4 C unreliable 9812 now 596d 💬 1 [29d]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 78 13d 598d PATCH [394d]
possible deadlock in ext4_xattr_inode_lookup_create ext4 prio:high 4 C done error 287 17d 618d
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7573 1h31m 624d PATCH [164d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 156d 648d 💬 1 [647d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 305 8h10m 669d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 996 31d 740d PATCH [740d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2191 1d20h 754d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 155d 763d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 754d 788d
kernel BUG in ext4_write_inline_data_end (2) ext4 -1 C inconclusive error 173 44d 856d PATCH [2h21m]
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 2951 4d02h 1056d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 548d 1099d PATCH [618d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 565d 1099d
kernel BUG in ext4_do_writepages ext4 prio:high -1 C error 3203 14m 1268d 💬 9 [29d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 42 22d 1287d 💬 7 [817d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KASAN: use-after-free Read in ext4_xattr_list_entries (2) ext4 19 2 19h34m 1d12h
KCSAN: data-race in data_push_tail / uuid_string (6) ext4 race:benign prio:high 6 1 8d00h 8d00h
KCSAN: data-race in _copy_to_iter / string (6) ext4 race:benign prio:high 6 1 22d 22d
KCSAN: data-race in _copy_to_iter / kmmpd (4) prio:low ext4 6 2 20d 34d
KCSAN: data-race in memchr / vsnprintf (2) prio:low ext4 net 6 2 38d 34d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) ext4 prio:high 6 5 13d 116d
KCSAN: data-race in atime_needs_update / inode_update_time ext4 prio:low 6 12 1h13m 118d
KCSAN: data-race in xas_find_marked / xas_init_marks (6) ext4 mm prio:high 6 19 51d 276d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) ext4 prio:low 6 33 11d 319d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic ext4 prio:low 6 168 2h14m 368d
KCSAN: data-race in find_get_block_common / has_bh_in_lru ext4 prio:low 6 301 18h01m 407d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 498 1h52m 408d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 6 228 3d05h 472d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) ext4 prio:low 6 174 6d09h 911d
KCSAN: data-race in filemap_splice_read / filemap_splice_read ext4 prio:low 6 1565 1d05h 913d
KCSAN: data-race in data_push_tail / string ext4 audit prio:low 6 490 3d17h 1781d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1267 8h54m 1900d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3891 1d00h 2036d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 408d 2317d